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All authors, Frank Chen, Joseph Cernigliaro, and Shweta Bhatt, declare that they have no conflict of interest.
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Chen, F., Cernigliaro, J. & Bhatt, S. The caterpillar sign. Abdom Radiol 46, 394–395 (2021). https://doi.org/10.1007/s00261-020-02611-6
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DOI: https://doi.org/10.1007/s00261-020-02611-6